A | B |
globe | spherical model of the earth |
hemisphere | one half of the globe |
latitude | location north or south of the equator |
longitude | location east or west of the Prime Meridian |
grid system | network of imaginary lines on the earth's surface in a crisscrossing pattern |
absolute location | exact position of a place on the earth's surface |
great circle route | the shortest distance between two points on the earth |
projection | a way of drawing the round earth on a flat surface |
geographic information systems (GIS) | software that allows geographers to ake and change maps easily |
map key | explains the lines, symbols, and colors used on a map |
cardinal directions | north, south, east, west |
compass rose | device drawn on maps to show directions |
Intermediate directions | northeast, northwest, southeast, southwest |
scale bar | divided measuring line found on maps and globes |
scale | relation between distance on a map and distance on the earth |
relief | how flat or rugged the land surface is |
elevation | height above sea level |
contour line | line which connects all areas of the same elevation |
axis | vertical or horizontal on a graph where information is shown |
bar graph | especially useful for comparing quantities |
line graph | useful for showing how something changes over time |
circle graph | shows how the whole of something is divided into its parts |
pictograph | bar graph that uses symbols to show information |
climograph | combines a bar graph and a line graph |
diagram | drawing that shows steps in a process or parts of an object |
elevation profile | diagram that shows the side view of a land area |
chart | presents related facts and numbers in an organized way |